Digital noise reduction removes grain but also smears fine detail. Compare:
At first glance, the keyword appears to be a random assortment of characters. However, upon closer inspection, it can be deciphered as a code that reveals the technical specifications of a Star Wars movie release in 4K Ultra HD. Let's break it down: starwars4k772160puhddnr35mmx265v104k7 hot
Some computers struggle with the large 4K file sizes. In such cases, the 1080p versions (x264) are a better, smoother alternative. Digital noise reduction removes grain but also smears